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Service bulletins for the 2027 Jeep Grand Wagoneer

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

11 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with type: Service bulletin are shown. Show all

Bulletins, newest first
S2623000052 REV. A2026-09-10. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM. Airbag Warning Light On or Intermittent. The Occupant Restraint Controller (ORC) May Have The Following DTCs (Active/Stored)
91008862026-09-03. Service bulletin. STRUCTURE:BODY. Sunroof Assy Sunroof glass and/or sunshade cannot open/close (inoperative). 1. Please follow the service procedure: 08-Electrical/8N - Power Systems/ Power Top, Sunroof/ Diagnosis and Testing. 2. If sunroof motors continue to be inoperative, please contact STAR and reference SET 1599. ***This should be done before trying to replace the sunroof motors.***
S2508000029 REV.B2026-08-19. Service bulletin. BACK OVER PREVENTION: WARNINGS. Instrument Panel Cluster (IPC) Message “Park Assist System Unavailable” or “Service Park Assist System”, “Rear Braking Assist Unavailable” or “Service Rear Braking Assist System" with Performance Diagnostic Trouble Codes (DTCs)
08-313-26 REV. A2026-08-19. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Front Windows Auto-Reverse During Closing Customers may experience the following: SYMPTOM: ● Front windows travel to the closed position but then auto-reverses. This bulletin involves inspecting the date codes on both front power window regulator motors and, if necessary, replacing one or both power window regulator motors
S2508000029 REV.A2026-08-13. Service bulletin. BACK OVER PREVENTION: WARNINGS. Instrument Panel Cluster (IPC) Message “Park Assist System Unavailable” or “Service Park Assist System”, “Rear Braking Assist Unavailable” or “Service Rear Braking Assist System" with Performance Diagnostic Trouble Codes (DTCs)
91008712026-08-06. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. Passive Entry Outside Door Han Prior to replacing an inoperative passive entry door handle, perform Star Online S2523000089.
9100833 REV12026-07-18. Service bulletin. FUEL/PROPULSION SYSTEM. Fuel Delivery Module Before replacing the fuel module for DTCs P0461 and P062A and other not start, long crank, fuel gauge accuracy and drivability issues, the technician should disconnect the electrical connector at the pump and perform a visual inspection of the connector for and bent, spread, or pushed out terminals. Repair any issues found. Reconnect the plug and perform a push pull push to ensure the connector is fully installed. Then perform 3 keys cycles and listen to hear if the fuel pump is operational. If the fuel pump is heard that indicates that everything is operating correctly. If the pump is heard replacement is not necessary, any replacement will function in the same way.
1132752026-07-08. Service bulletin. ELECTRICAL SYSTEM. MOTOR - POWER RUNNING BOARD
08-255-262026-07-08. Service bulletin. ELECTRICAL SYSTEM. Navigation Won't Load On Home/Split Screen Customers may experience the following: SYMPTOM: ● Factory navigation won't load on the Home/Split screen Fig. 1.
91008332026-07-02. Service bulletin. FUEL/PROPULSION SYSTEM. Fuel Delivery Module Before replacing the fuel module for DTCs P0461 and P062A and other not start, long crank, fuel gauge accuracy and drivability issues, the technician should disconnect the electrical connector at the pump and perform a visual inspection of the connector for and bent, spread, or pushed out terminals. Repair any issues found. Reconnect the plug and perform a push pull push to ensure the connector is fully installed. Then perform 3 keys cycles and listen to hear if the fuel pump is operational. If the fuel pump is heard that indicates that everything is operating correctly. If the pump is heard replacement is not necessary, any replacement will function in the same way.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.